How Distance Transform Maps Boost Segmentation CNNs: An Empirical StudyDownload PDF

25 Jan 2020, 12:33 (modified: 22 Jul 2022, 19:50)MIDL 2020Readers: Everyone
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Keywords: Distance transform maps, medical image segmentation, Convolutional neural networks, Signed distance function
Abstract: Incorporating distance transform maps of ground truth into segmentation CNNs has been an interesting new trend in the last year. Despite many great works leading to improvements in a variety of segmentation tasks, the comparison among these methods has not been well studied. In this paper, our \emph{first contribution} is to summarize the latest developments of these methods in the 3D medical segmentation field. The \emph{second contribution} is that we systematically evaluated five benchmark methods on two representative public datasets. These experiments highlight that all the five benchmark methods can bring performance gains to baseline V-Net. However, the implementation details have a noticeable impact on the performance, and not all the methods hold the benefits on different datasets. Finally, we suggest the best practices and indicate unsolved problems for incorporating distance transform maps into CNNs, which we hope would be useful for the community. The codes and trained models are publicly available at \url{https://github.com/JunMa11/SegWithDistMap}.
Track: full conference paper
TL;DR: CNNs with Distance maps
Paper Type: both
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